This is a very rare performance of the spanish band Los Perucho's. Formed in Barcelona in the beginning of the seventies, the classic quartet was composed by Oriol Pons de Vall (Ginger) at soprano sax, Albert Subirats at alto sax, Jordi Graells at electric guitar, and Oriol Perucho at drums. This performance, taped on a domestic magnetophone, was recorded in March 27, 1976, at the Caputxins of Sarria, in Barcelona. For this time, the drummer wasn't there, so the band was a trio (Ginger, Subirats, and Graells).
More info at: http://jacktorrance-overlookhotel.blogspot.com/2010/09/los-peruchos-i-directo-de-1976.html